I'm sorry, don't have time to look further, just realized the time, but the feature you're describing is called "pointer wrap" or "pointer wrapping". Apparently there's an app called Edgeless that does that. Have to get home!
Behemoth - media server
Galactica - test lab server
Falling Outside the Normal Moral Constraints - MBP 15
Donnager - M4800 DTR
Rocinante - E5530 testing machine
Saratoga, Ticonderoga, BunkerHill - the Hydra desktop PC-thing.